#A1901F#A1901F

#A1901F is a light, vivid yellow. Relative luminance 0.276; OKLCH L 64.9% C 0.126 H 100.1°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A1901F
RGB	rgb(161, 144, 31)
HSL	hsl(52, 68%, 38%)
HSV	hsv(52, 81%, 63%)
CMYK	cmyk(0%, 10.6%, 80.7%, 36.9%)
CIE-LAB	lab(59.55, -5.62, 57.16)
CIE-LCH	lch(59.55, 57.43, 95.61°)
OKLab	oklab(64.94% -0.0221 0.1238)
OKLCH	oklch(64.94% 0.126 100.1)
XYZ	xyz(24.9198, 27.6237, 5.3154)
Luminance	0.2762 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1901F #1F30A1

analogous

#A14F1F #A1901F #71A11F

triadic

#A1901F #1FA190 #901FA1

tetradic

#A1901F #1FA14F #1F30A1 #A11F71

square

#A1901F #1FA14F #1F30A1 #A11F71

split-complementary

#A1901F #1F71A1 #4F1FA1

monochromatic

#3A340B #6E6215 #A1901F #D4BE29 #DFCE5B

Accessibility & contrast

On white

3.22

#A1901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#A1901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A1901F

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1901F	#FFFFFF	#000000	##000000
##A1901F	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#A39228

Tritanopia (blue-blind)

#AE857B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #a1901f;
/* rgb */ color: rgb(161, 144, 31);
/* oklch */ color: oklch(64.9% 0.126 100.1);

Tailwind

colors: {
  custom: {
    50: '#c1b066',
    500: '#a1901f',
    950: '#000000',
  },
}

SCSS

$custom: #a1901f;
$custom-light: #c1b066;
$custom-dark: #000000;

JSON

{
  "hex": "#a1901f",
  "rgb": {
    "r": 161,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 52.154,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.64937,
    "c": 0.12579,
    "h": 100.1
  },
  "luminance": 0.27623
}

Semantic roles & 50–950 ramp

primary

#A1901F

secondary

#5866C4

accent

#54EB3D

background

#FCFAF6

surface

#F8F4EB

border

#D1CEC6

text

#131006

muted

#827F7A

Preview Lab

Preview with #A1901F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →